Always a bad idea to spill diet coke on an Xbox 360 controller. Then Dad has to disassemble, clean and re-assemble, but not before having a little fun knolling the parts. 😝👍 :
Xbox 360 Wired Controller to USB : 7 Steps (with Pictures) - Instructables
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How to Clean & Repair XBOX 360 Controller - Teardown & Cleaning - YouTube